Hailey Dawson has opened up professional sporting events before, but never in her hometown.

7-year-old with Poland Syndrome helps Golden Knights celebrate Hockey Is For Everyone Month.

After throwing the ceremonial first pitch at Game 4 of the World Series, Hailey Dawson, a 7-year-old with a birth defect that robbed her of three right-hand fingers, is expanding into hockey.

President Donald Trump announced Thursday he intends to nominate an Oak Ridge National Laboratory associate director for the position of Department of Energy Deputy Administrator for Defense Nuclear Nonproliferation.

Should builders view net zero energy as a standard instead of an aspiration? As populations age, will future homeowners rely more on voice-controlled devices to manage systems like heating, cooling, and lighting? Can modular, flexible design and construction provide answers to suburban neighborhoods that are facing growing densities? Will precast concrete emerge as the building material of choice for housing construction in a world increasingly threatened by the ravages of climate change?

The devastating Amtrak Cascades train 501 derailment Monday happened while the train was racing at about 80 miles per hour — far above the speed limit of 30 miles per hour, the National Transportation Safety Board said on Tuesday. The train cars lurched off the tracks, spilling onto and dangling above the interstate below. At least three people were killed and dozens more injured.

San Diego native Jacqueline Phan passed on opportunities to study in California so she could contribute to biochemistry research here in Las Vegas.

A team of researchers from the University of Nevada Las Vegas have developed a device they hilarious call the “Tooth Cracker 5000” to extract 80 percent of the stem cells a pulp contains from a wisdom tooth.

Hailey Dawson is already a veteran of tossing the ceremonial first pitch at the ripe old age of seven. She’s got two Major League games under her belt and is about to add a third, with her biggest audience yet, as she kicks off Game 4 of the World Series in Houston.

In search of someone to help print a hand for Hailey, Engineers at UNLV’s Howard R. Hughes College of Engineering took on the project using Stratasys Fortus 250mc 3D printer. By 2015, Hailey was throwing her first opening pitch at a UNLV Rebels baseball game, which quickly led to an MLB game.

Late in the afternoon in early October, the Dawson family gathered to watch son Zach’s baseball game.

Stem cells are a crucial part of modern medicine and can be used to treat a wide variety of medical conditions. Now researchers at University of Nevada, Las Vegas have discovered a new way of harvesting these all-important biological cells by (get ready to wince!) extracting them from the root pulp inside every tooth.